PR libfortran/33469

	* io/write.c (write_real): Widen the default formats.

	* gfortran.dg/default_format_1.f90: New test.
	* gfortran.dg/default_format_2.f90: New test.
	* gfortran.dg/namelist_print_1.f: Adjust expected output.
	* gfortran.dg/real_const_3.f90: Adjust expected output.

From-SVN: r128967